| a progressive disturbance propagated in a medium without progress or advance by the points themselves, as in the transmission of sound or light |
| the property of a system that diminishes when the system does work on any other system, by an amount equal to the work so done |
| Main Entry: | tipping point |
| Part of Speech: | n |
| Definition: | the culmination of a build-up of small changes that effects a big change |
| Etymology: | from a book of this title by Malcolm Gladwell explaining epidemics |